Thanks Jo and Tom.
To be clear I used electroking electrocleaning solution mixed @ 1/4 lb to gal of distilled water. it was heated to 120 F and gave 2 minutes with rectifier @ 6volts as per spec. I think tanish was gone in seconds.
Have used plating in the past to hide discolorations. Sometimes doing copper, silver, gold or palladium before final plating. I use to do electro striping and still have almost a full qt but just have not done in 20 years.
A word of warning to any who plan to plate, you must have a well evacuated hood and use protective gear.
PS I was raised In SF bay area and never went to Gumps but of course to the DeYoung. My wife had her ears pierced @ Samuels jewelers by old man Samuels. After moving to the monterey peninsula I was asked by a gumps contractor to make his steel rings. He is long gone and his work seems to be worth plenty. Glad i made the right choice…